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http://dx.doi.org/10.5574/IJOSE.2013.3.3.136

Comparative study of Metallic and Polymer Composite Shells for Underwater Vessels Using FEA  

Govindaraj, Moorthy (Department of Mechanical Engineering, R.V.College of Engineering)
Narayanarao, Narasimha Murthy Heddale (Department of Mechanical Engineering, R.V.College of Engineering)
Munishaiah, Krishna (Department of Mechanical Engineering, R.V.College of Engineering)
Nagappa, Raghavendra (Department of Mechanical Engineering, R.V.College of Engineering)
Publication Information
International Journal of Ocean System Engineering / v.3, no.3, 2013 , pp. 136-141 More about this Journal
Abstract
The present research was aimed at comparing performance of metallic and polymer composite shells of a typical underwater vessel of length and inner diameter of 1650 mm and 350 mm respectively, based on the critical buckling pressure for operating depth of 1000 m using ANSYS. High strength steel, aluminium alloy, titanium alloy, glass / epoxy and carbon / epoxy materials were examined. The results indicated weight savings of 46 % in carbon/epoxy and 31 % in glass / epoxy when compared with high strength steel, based on the thickness of the shell for sustaining 10 MPa buckling pressure.
Keywords
Critical buckling pressure; Underwater vessels; Polymer composite shells; ANSYS;
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